libcxx/test/std/containers/sequences/vector.bool/move_alloc.pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 // UNSUPPORTED: c++03
  10
  11 // <vector>
  12
  13 // vector(vector&& c, const allocator_type& a);
  14
  15 #include <vector>
  16 #include <cassert>
  17 #include "test_macros.h"
  18 #include "test_allocator.h"
  19 #include "min_allocator.h"
  20
  21 TEST_CONSTEXPR_CXX20 bool tests()
  22 {
  23     {
  24         std::vector<bool, test_allocator<bool> > l(test_allocator<bool>(5));
  25         std::vector<bool, test_allocator<bool> > lo(test_allocator<bool>(5));
  26         for (int i = 1; i <= 3; ++i)
  27         {
  28             l.push_back(i);
  29             lo.push_back(i);
  30         }
  31         std::vector<bool, test_allocator<bool> > l2(std::move(l), test_allocator<bool>(6));
  32         assert(l2 == lo);
  33         assert(!l.empty());
  34         assert(l2.get_allocator() == test_allocator<bool>(6));
  35     }
  36     {
  37         std::vector<bool, test_allocator<bool> > l(test_allocator<bool>(5));
  38         std::vector<bool, test_allocator<bool> > lo(test_allocator<bool>(5));
  39         for (int i = 1; i <= 3; ++i)
  40         {
  41             l.push_back(i);
  42             lo.push_back(i);
  43         }
  44         std::vector<bool, test_allocator<bool> > l2(std::move(l), test_allocator<bool>(5));
  45         assert(l2 == lo);
  46         assert(l.empty());
  47         assert(l2.get_allocator() == test_allocator<bool>(5));
  48     }
  49     {
  50         std::vector<bool, other_allocator<bool> > l(other_allocator<bool>(5));
  51         std::vector<bool, other_allocator<bool> > lo(other_allocator<bool>(5));
  52         for (int i = 1; i <= 3; ++i)
  53         {
  54             l.push_back(i);
  55             lo.push_back(i);
  56         }
  57         std::vector<bool, other_allocator<bool> > l2(std::move(l), other_allocator<bool>(4));
  58         assert(l2 == lo);
  59         assert(!l.empty());
  60         assert(l2.get_allocator() == other_allocator<bool>(4));
  61     }
  62     {
  63         std::vector<bool, min_allocator<bool> > l(min_allocator<bool>{});
  64         std::vector<bool, min_allocator<bool> > lo(min_allocator<bool>{});
  65         for (int i = 1; i <= 3; ++i)
  66         {
  67             l.push_back(i);
  68             lo.push_back(i);
  69         }
  70         std::vector<bool, min_allocator<bool> > l2(std::move(l), min_allocator<bool>());
  71         assert(l2 == lo);
  72         assert(l.empty());
  73         assert(l2.get_allocator() == min_allocator<bool>());
  74     }
  75
  76     return true;
  77 }
  78
  79 int main(int, char**)
  80 {
  81     tests();
  82 #if TEST_STD_VER > 17
  83     static_assert(tests());
  84 #endif
  85     return 0;
  86 }